In JEMHC you generally want to block/drop any automated out-of-office notifications.
Step-by-step guide
JEMHC Has a Exclusions section where you can enter regular expressions matching the subject text, its pretty simple to do:
Take the summary of the description, locate the prefix (usually up to a : character) and add a new entry (via CREATE, shown below)
New mail will then be dropped and listed as Blacklisted on receipt:
In our production JEMHC instance, we have a list, feel free to adopt, and comment here if you have more!
Réponse automatique :.*
Automatyczna odpowiedź.*
OOO until [A-Za-z]+ [0-9]{1,2}(th|rd|st) Re:.*
Automatische Antwort:.*
Automatikus válasz.*
Automatic reply:.*
Abwesenheitsnotiz
Abwesenheitsnotiz.*
Respuesta automática.*
Autosvar:.*
Automatická odpověď:.*